.infra-hero {
    max-width: 850px;
    margin: 72px auto 30px;
    text-align: center;
}

.infra-hero h1 {
    margin:
        12px 0 18px;
}

.infra-hero p {
    max-width: 730px;
    margin:
        0 auto;
    color:
        var(--muted);
    line-height:
        1.65;
    font-size:
        16px;
}

.infra-input-card {
    max-width:
        900px;
    margin:
        0 auto 32px;
    padding:
        20px;
    border:
        1px solid var(--border);
    border-radius:
        18px;
    background:
        var(--surface);
    box-shadow:
        var(--shadow);
}

.infra-input-card label {
    display:
        block;
    margin-bottom:
        9px;
    font-size:
        12px;
    font-weight:
        850;
}

.infra-domain-row {
    display:
        grid;
    grid-template-columns:
        minmax(0,1fr) auto;
    gap:
        9px;
}

.infra-domain-row input {
    width:
        100%;
    min-height:
        48px;
    padding:
        0 14px;
    border:
        1px solid var(--border);
    border-radius:
        12px;
    outline:
        none;
    background:
        var(--bg-soft);
    color:
        var(--text);
    font-size:
        14px;
}

.infra-domain-row input:focus {
    border-color:
        var(--primary);
    box-shadow:
        0 0 0 3px
        rgba(113,104,255,.12);
}

.infra-results {
    max-width:
        1100px;
    margin:
        0 auto 45px;
}

.infra-summary {
    display:
        grid;
    grid-template-columns:
        repeat(
            4,
            minmax(0,1fr)
        );
    gap:
        9px;
    margin-bottom:
        16px;
}

.infra-summary-item {
    padding:
        14px;
    border:
        1px solid var(--border);
    border-radius:
        12px;
    background:
        var(--surface);
}

.infra-summary-item span {
    display:
        block;
    margin-bottom:
        5px;
    color:
        var(--muted);
    font-size:
        11px;
}

.infra-summary-item strong {
    display:
        block;
    font-size:
        15px;
    overflow-wrap:
        anywhere;
}

.infra-result-body {
    display:
        grid;
    gap:
        9px;
    margin-top:
        15px;
}

.infra-record-card {
    padding:
        13px;
    border:
        1px solid var(--border);
    border-radius:
        11px;
    background:
        var(--surface-2);
}

.infra-record-top {
    display:
        flex;
    align-items:
        center;
    justify-content:
        space-between;
    gap:
        12px;
}

.infra-record-title {
    font-weight:
        850;
    overflow-wrap:
        anywhere;
}

.infra-record-meta {
    margin-top:
        6px;
    color:
        var(--muted);
    font-size:
        12px;
    line-height:
        1.55;
    overflow-wrap:
        anywhere;
}

.infra-code {
    margin-top:
        8px;
    padding:
        9px;
    border:
        1px solid var(--border);
    border-radius:
        9px;
    background:
        var(--bg-soft);
    font-family:
        ui-monospace,
        SFMono-Regular,
        Menlo,
        Monaco,
        Consolas,
        monospace;
    font-size:
        11px;
    line-height:
        1.55;
    overflow-wrap:
        anywhere;
}

.tool-network {
    max-width:
        1100px;
    margin:
        50px auto 75px;
}

.tool-network h2 {
    margin:
        7px 0 15px;
}

.tool-network-grid {
    display:
        grid;
    grid-template-columns:
        repeat(
            3,
            minmax(0,1fr)
        );
    gap:
        10px;
}

.tool-network-grid a {
    padding:
        13px;
    border:
        1px solid var(--border);
    border-radius:
        11px;
    background:
        var(--surface);
    color:
        var(--text);
    text-decoration:
        none;
    font-size:
        13px;
    font-weight:
        750;
}

.tool-network-grid a:hover {
    border-color:
        var(--primary);
}

.tool-note {
    padding:
        12px;
    border:
        1px solid var(--border);
    border-radius:
        10px;
    background:
        var(--surface-2);
    color:
        var(--muted);
    font-size:
        12px;
    line-height:
        1.6;
}

@media (max-width:800px) {

    .infra-summary {
        grid-template-columns:
            repeat(
                2,
                minmax(0,1fr)
            );
    }

    .tool-network-grid {
        grid-template-columns:
            repeat(
                2,
                minmax(0,1fr)
            );
    }
}

@media (max-width:600px) {

    .infra-domain-row {
        grid-template-columns:
            1fr;
    }

    .infra-domain-row button {
        width:
            100%;
    }

    .infra-summary,
    .tool-network-grid {
        grid-template-columns:
            1fr;
    }

    .infra-record-top {
        align-items:
            flex-start;
        flex-direction:
            column;
    }
}